Sds Plus 3/16 Inch Masonry Drill Bits (13 Pack - Industrial Grade) 6, More! SDS Plus 3/16 Inch Masonry Drill Bits (13 Pack - Industrial Grade) 6 Inch Rotary Hammer Bit For Concrete, Stone, Block, More! 13 PACK OF 3/16" x 6" SDS PLUS MASONRY DRILL BITS - Fits All SDS Plus Rotary Hammer Drills. 3/16" Diameter with a Flute Length of 3.5 Inches and a Total Length of 6 Inches SDS PLUS SHAFT - Compatible with All SDS Plus Rotary Hammer Drills Including Dewalt, Makita, Bosch, Milwaukee, and More. PLEASE NOTE: THESE WILL NOT WORK IN STANDARD CHUCK CARBIDE TIPPED FOR HARD MATERIALS - These Masonry Bits Were Designed to Drill Through Tough Dense Material, Including Concrete, Cement, Brick, Cinderblock, Stucco, and Other Masonry Materials. HARD SHELL PLASTIC CASE INCLUDED - To Help Keep Bits Organized and Safe for Easy Storage and Longevity in a Rust Free Plastic Container NARWHAL GUARANTEE - We strive to source high quality products and if you're ever unsatisfied please reach out to us, our USA Based Customer Service is here to help!